Home
Class 11
MATHS
For a frequency distribution, mean devia...

For a frequency distribution, mean deviation about mean is computed by

A

`M.D = (sum(d_i))/(sum(f_i)`

B

`M.D = (sum(f_i d_1))/(sum(f_i)`

C

`M.D = (sum(f_i |d_1|))/(sum(f_i)`

D

`M.D =(sumf_i)/ (sum(f_i |d_1|))`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • STATISTICS

    PATHFINDER|Exercise QUESTION BANK|45 Videos

  • STRAIGHT LINE

    PATHFINDER|Exercise QUESTION BANK |25 Videos

Similar Questions

Explore conceptually related problems

For a frequency distribution mean deviation from mean is computed by -

For a frequency distribution, standard deviation is computed by applying the formula

For a frequency distribution, mean, median and mode are connected by the relation

The mean deviation from median is

The median of a distribution is 60 and mean deviation about median is 24, then the coefficient of mean deviation of the distribution is-

The mean deviation from the median is

Find the mean deviation about the mean for the data in

Find the mean deviation about the mean for the data in

A variable x takes only two values x_1 , x_2 with equal frequencies. Find the mean deviation about mean and the standard deviation.

The mean deviation about median of n distinct numbers is

PATHFINDER-STATISTICS AND MATHEMATICAL REASONING-QUESTION BANK
  1. If the mode of a data is 18 and the mean is 24 then median is

    Text Solution

    |

  2. Which of the following is not a measure of dispersion ?

    Text Solution

    |

  3. For a frequency distribution, mean deviation about mean is computed by

    Text Solution

    |

  4. The mean for the observation 1, 2, 3,4 is

    Text Solution

    |

  5. The variance of 2, 4, 6, 8, 10, is

    Text Solution

    |

  6. The S.D of 7 scores 1, 2, 3, 4, 5, 6, 7, is

    Text Solution

    |

  7. If the standard deviation of 1, 2, 3, 4,…., 10 is sigma , then the sta...

    Text Solution

    |

  8. S.D. of numbers observation a1, a2, a3,…..an is sigma then the S.D. of...

    Text Solution

    |

  9. If each observation of a raw data whose variance is sigma^2 is increas...

    Text Solution

    |

  10. Let sigma be the standard deviation of n observations. Each of the n o...

    Text Solution

    |

  11. For a frequency distribution, standard deviation is computed by

    Text Solution

    |

  12. Mean of first n natural numbers is

    Text Solution

    |

  13. (x1-overlinex)+(x2-overlinex)+....+(xn-overlinex)=

    Text Solution

    |

  14. If the mean of the table is 8, then find the value of P.

    Text Solution

    |

  15. A factory employs 100 workers of whom 60 in the first shift and 40 wo...

    Text Solution

    |

  16. Geometric mean of 3, 9 and 27 is

    Text Solution

    |

  17. The median of the items 6, 10, 4, 3, 11, 22, 18, is

    Text Solution

    |

  18. If median = (mode + 2 mean ) Mean, then Mean is equal to

    Text Solution

    |

  19. The scores of a batsman in ten innings are : 38, 70, 48, 34, 42, 55, 6...

    Text Solution

    |

  20. The Standard Deviation of scores 1, 2, 3, 4, 5 is

    Text Solution

    |